‪#gmatclubApproach‬ For every even integer 2n from 1 to 8,

‪#gmatclubApproach‬For every even integer 2n from 1 to 8, inclusive, the nth term of a certain sequence is given by (−1)^n(1/2^n) . If S is the sum of such a sequence then S isA. Between -1 and -1/2B. Between -1/2 and 0C. Between 0 and 1/4D. Between 1/4 and 3/4E. Between 3/4 and 5/2